cvs commit: src/sys/nfsserver nfsrvcache.h
sam at errno.com
Tue Apr 25 00:45:11 UTC 2006
Kris Kennaway wrote:
> On Mon, Apr 24, 2006 at 05:29:08PM -0700, Sam Leffler wrote:
>> Mohan Srinivasan wrote:
>>> mohans 2006-04-25 00:21:57 UTC
>>> FreeBSD src repository
>>> Modified files:
>>> sys/nfsserver nfsrvcache.h
>>> Bump up the NFS server dupreq cache limit to 2K (from 64). With a small
>>> duplicate request cache, under heavy load a lot of non-idempotent
>>> were getting served again, resulting in errors.
>> How does increasing the cache size fix this problem?
> Fundamentally it doesn't, this change just pushes it out of the regime
> where it's trivial to overflow.
Why is it hard to do a real fix? Or is this a temporary bandaid?
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